About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

A 32-acre fun park dedicated to all things cheese.

Plenty of old carney magic still haunts this photogenic amusement park.

The Japanese mayo factory famous for its cute mascot.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

Running through lush forests and across the Tadami River, this train line offers breathtaking views of rural Japan.

A park built around the legend of a clam-loving giant who created a monumental midden.

Though technically an illegal structure, this eclectic DIY apartment complex is beloved by its residents.

This historic hydroelectric power plant in Japan has been preserved and is open to the public.

A quaint amusement park now sits, rusting and forgotten among the foliage.

A small island with no monkeys but plenty of military ruins.

An eerie maze of industrial factories looks like something out of a dystopian sci-fi.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

The ruin of a Japanese love hotel almost completely overgrown with brambles.

The ruins of Japan’s premier water brothel.

This ruined Japanese stripclub sits half burnt to the ground.

Inside the columbarium, thousands of colorful, high-tech Buddhas guard the ashes of the dead.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

A railway station takeout shop sells boxed meals in containers shaped like trains and snowmen that hold the country’s abundant regional delicacies.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

A Japanese cat island also populated by the descendants of a band of banished samurai.